feat(api): integrate ScheduleModule for task scheduling

- Added `ScheduleModule` to the main application module for managing scheduled tasks.
- Removed redundant `ScheduleModule` imports from `CronModule` and `ServicesModule` to streamline module dependencies.

api/src/unraid-api/app/app.module.ts

@@ -1,6 +1,7 @@
 import { CacheModule } from '@nestjs/cache-manager';
 import { Module } from '@nestjs/common';
 import { APP_GUARD } from '@nestjs/core';
+import { ScheduleModule } from '@nestjs/schedule';
 import { ThrottlerModule } from '@nestjs/throttler';
 
 import { AuthZGuard } from 'nest-authz';
@@ -23,6 +24,7 @@ import { UnraidFileModifierModule } from '@app/unraid-api/unraid-file-modifier/u
         GlobalDepsModule,
         LegacyConfigModule,
         PubSubModule,
+        ScheduleModule.forRoot(),
         LoggerModule.forRoot({
             pinoHttp: {
                 logger: apiLogger,

api/src/unraid-api/cron/cron.module.ts

@@ -5,7 +5,7 @@ import { LogRotateService } from '@app/unraid-api/cron/log-rotate.service.js';
 import { WriteFlashFileService } from '@app/unraid-api/cron/write-flash-file.service.js';
 
 @Module({
-    imports: [ScheduleModule.forRoot()],
+    imports: [],
     providers: [WriteFlashFileService, LogRotateService],
 })
 export class CronModule {}

api/src/unraid-api/graph/services/services.module.ts

@@ -6,7 +6,7 @@ import { SubscriptionPollingService } from '@app/unraid-api/graph/services/subsc
 import { SubscriptionTrackerService } from '@app/unraid-api/graph/services/subscription-tracker.service.js';
 
 @Module({
-    imports: [ScheduleModule.forRoot()],
+    imports: [],
     providers: [SubscriptionTrackerService, SubscriptionHelperService, SubscriptionPollingService],
     exports: [SubscriptionTrackerService, SubscriptionHelperService, SubscriptionPollingService],
 })